<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Document</title>
    <style>
      .container {
        width: 800px;
        height: 200px;
        /* font-size:0; */
      }
      .left {
        /* font-size:14px; */
        background: red;
        display: inline-block;
        width: 200px;
        height: 200px;
      }
      .right {
        /* font-size:14px; */
        background: blue;
        display: inline-block;
        width: 600px;
        height: 200px;
      }
    </style>
  </head>
  <body>
    <div class="container">
      <div class="left">左 宽度200px inline-block</div>
      <div class="right">右 宽度600px inline-block</div>
    </div>
  </body>
</html>
